Soap Bubbles and Films
Studies of the Black and Colored Spots in the Film Reveal its Structure
Features
Experimental Wireless Telegraphy and Telephony—II
Aerials, Loops, Underground and Submarine Antennae, Tree Antennae and Other Arrangements
“cupping” vs. “boxing”
How Leather is Prepared from Hides
A Brief Account of the Treatment that Furnishes Leather for Our Shoes
Recent Researches on Cholera—II
How the Modern Physician Solved the Problem of Reducing Deaths from this Dread Disease
Sorghum
A Plant of Value as a Source of Food and Industrial Raw Material
The Color of Water—IV
A Valuable Compendium of the Literature on a Neglected Subject
